Home / 803,079.88-1,108,250.17-463,548.13

Finding the Fourth Proportional to 803,079.88, 1,108,250.17 and 463,548.13

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Solution

The fourth proportional to 803,079.88, 1,108,250.17 and 463,548.13 is: 639,696.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,079.88 : 1,108,250.17 = 463,548.13 : x
  2. Step 2: Convert to fraction form
    803,079.88/1,108,250.17 = 463,548.13/x
  3. Step 3: Cross multiply
    803,079.88x = 1,108,250.17 × 463,548.13
  4. Step 4: Simplify right side
    803,079.88x = 513,727,289,946.19
  5. Step 5: Solve for x
    x = 513,727,289,946.19/803,079.88
  6. Step 6: Final answer
    x = 639,696.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.